News and Views


Nature Cell Biology 10, 249 - 250 (2008)
doi:10.1038/ncb0308-249

TAGing APP constrains neurogenesis

Mark P. Mattson1 & Henriette van Praag1

  1. P. Mattson and Henriette van Praag are in the Laboratory of Neurosciences, National Institute on Aging, Intramural Research Program, 5600 Nathan Shock Drive, Baltimore, MD 21224, USA.
    e-mail: mattsonm@grc.nia.nih.gov


The cell adhesion molecule TAG1 has been identified as the ligand that induces beta-amyloid precursor protein (APP) processing and signalling, resulting in the inhibition of neurogenesis. These findings demonstrate a critical role of TAG1–APP signalling in brain development and suggest the potential involvement of TAG1 in adult neuroplasticity and pathogenesis of Alzheimer's disease.

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